Home / 4,028.78-5,559.71-2,260.40

Finding the Fourth Proportional to 4,028.78, 5,559.71 and 2,260.40

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Solution

The fourth proportional to 4,028.78, 5,559.71 and 2,260.40 is: 3,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,028.78 : 5,559.71 = 2,260.40 : x
  2. Step 2: Convert to fraction form
    4,028.78/5,559.71 = 2,260.40/x
  3. Step 3: Cross multiply
    4,028.78x = 5,559.71 × 2,260.40
  4. Step 4: Simplify right side
    4,028.78x = 12,567,129.38
  5. Step 5: Solve for x
    x = 12,567,129.38/4,028.78
  6. Step 6: Final answer
    x = 3,119.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.